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Explain BASE_{DEC,HEX,OCT,BIN} a bit more, note that BASE_BIN is for 

binary but currently is just decimal, and note that you may not use
BASE_NONE for integers.

svn path=/trunk/; revision=3352
This commit is contained in:
Guy Harris 2001-04-20 22:00:27 +00:00
parent f4db05c7d1
commit b361003bc5
1 changed files with 8 additions and 4 deletions
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12
doc/README.developer
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@ -1,4 +1,4 @@
$Id: README.developer,v 1.27 2001/04/20 20:34:31 guy Exp $
$Id: README.developer,v 1.28 2001/04/20 22:00:27 guy Exp $
This file is a HOWTO for Ethereal developers. It describes how to start coding
a Ethereal protocol dissector and the use some of the important functions and
@ -62,7 +62,7 @@ code inside
is needed only if you are using the "snprintf()" function.
The "$Id: README.developer,v 1.27 2001/04/20 20:34:31 guy Exp $"
The "$Id: README.developer,v 1.28 2001/04/20 22:00:27 guy Exp $"
in the comment will be updated by CVS when the file is
checked in; it will allow the RCS "ident" command to report which
version of the file is currently checked out.
@ -72,7 +72,7 @@ version of the file is currently checked out.
* Routines for PROTONAME dissection
* Copyright 2000, YOUR_NAME <YOUR_EMAIL_ADDRESS>
*
* $Id: README.developer,v 1.27 2001/04/20 20:34:31 guy Exp $
* $Id: README.developer,v 1.28 2001/04/20 22:00:27 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -683,6 +683,10 @@ are:
BASE_OCT,
BASE_BIN
BASE_DEC, BASE_HEX, and BASE_OCT are decimal, hexadecimal, and octal,
respectively. BASE_BIN is reserved for binary, although it's currently
treated as decimal - if you want decimal, use BASE_DEC, not BASE_BIN.
For FT_BOOLEAN fields that are also bitfields, 'display' is used to tell
the proto_tree how wide the parent bitfield is. With integers this is
not needed since the type of integer itself (FT_UINT8, FT_UINT16,
@ -691,7 +695,7 @@ bitfield is.
Additionally, BASE_NONE is used for 'display' as a NULL-value. That is,
for non-integers and non-bitfield FT_BOOLEANs, you'll want to use BASE_NONE
in the 'display' field.
in the 'display' field. You may not use BASE_NONE for integers.
It is possible that in the future we will record the endianness of
integers. If so, it is likely that we'll use a bitmask on the display field